CVE-2026-54693 ZITADEL Users Can Self-Verify Email/Phone via API

ZITADEL is an open source identity management platform. From 2.43.0 through 2.71.19, from 3.0.0 until 3.4.11, and from 4.0.0 until 4.15.1, the email and phone self-management API paths in internal/command/userv2email.go, internal/command/userv2phone.go, and internal/command/userv2human.go allowed...

EUVD-2026-50418

ZITADEL is an open source identity management platform. From 2.43.0 through 2.71.19, from 3.0.0 until 3.4.11, and from 4.0.0 until 4.15.1, the email and phone self-management API paths in internal/command/userv2email.go, internal/command/userv2phone.go, and internal/command/userv2human.go allowed...

CVE-2026-54693: Incorrect Authorization

ZITADEL is an open source identity management platform. From 2.43.0 through 2.71.19, from 3.0.0 until 3.4.11, and from 4.0.0 until 4.15.1, the email and phone self-management API paths in internal/command/userv2email.go, internal/command/userv2phone.go, and internal/command/userv2human.go allowed...

PT-2026-65854

Name of the Vulnerable Software and Affected Versions ZITADEL versions 2.43.0 through 2.71.19 ZITADEL versions 3.0.0 through 3.4.10 ZITADEL versions 4.0.0 through 4.15.0 Description An improper permission check in the self-management API allows authenticated users to request verification codes fo...

GHSA-3FXJ-6JH8-HVHX vulnerabilities

Vulnerabilities for packages: commercial-kyverno, fluxcd-kustomize-mutating-webhook, telegraf, kyverno, cosmo-router-fips, karma-fips, karma, fluxcd-kustomize-mutating-webhook-fips, cosmo-router, zitadel...

GHSA-9G5Q-2W5X-HMXF vulnerabilities

Vulnerabilities for packages: commercial-kyverno, fluxcd-kustomize-mutating-webhook, telegraf, kyverno, cosmo-router-fips, karma-fips, karma, fluxcd-kustomize-mutating-webhook-fips, cosmo-router, zitadel...

GHSA-RJR7-JGGH-PGCP vulnerabilities

Vulnerabilities for packages: commercial-kyverno, fluxcd-kustomize-mutating-webhook, telegraf, kyverno, cosmo-router-fips, karma-fips, karma, fluxcd-kustomize-mutating-webhook-fips, cosmo-router, zitadel...

JWT Expiration Bypass

ZITADEL is vulnerable to JWT expiration bypass. The vulnerability is due to the external JWT Identity Provider validation skipping expiration handling when an incoming token omits the exp claim, where a token from a trusted issuer can be treated as valid without an automatic expiration window, an...

Improper Authorization

github.com/zitadel/zitadel is vulnerable to Improper Authorization. The vulnerability is due to insufficient validation during OAuth2 token exchange, where the endpoint does not verify token ownership or restrict requested scopes to those of the original token, allowing attackers to exchange...

Improper Authentication

Overview Affected versions of this package are vulnerable to Improper Authentication in the auto-linking process by email, as the external identity provider does not verify ownership of the email address before linking accounts. An attacker can gain unauthorized access to a victim's local account...

CVE-2026-56666

ZITADEL is an open source identity management platform. Prior to 4.15.3, ZITADEL's external identity provider handler checks that the local user's email is verified but does not verify that the external IdP confirmed ownership of the same email before auto-linking by email, allowing a permissive...

CVE-2026-56665

ZITADEL is an open source identity management platform. Prior to 3.4.12 and 4.15.2, ZITADEL is an open source identity management platform. From 3.0.0-rc.1 through 3.4.11 and from 4.0.0-rc.1 through 4.15.1, ZITADEL's external JWT Identity Provider validation in internal/idp/providers/jwt/session....

CVE-2026-56668

ZITADEL is an open source identity management platform. Prior to 4.15.3, ZITADEL's OAuth2 Token Exchange endpoint for urn:ietf:params:oauth:grant-type:token-exchange does not verify that the subject token belongs to the requesting client or that requested scopes remain within the original token's...

CVE-2026-55671

ZITADEL is an open source identity management platform. From 4.0.0-rc.1 through 4.15.1, ZITADEL's HTTP notification channels, OIDC BackChannel Logout, and SAML metadata URL fetches do not consistently validate user-defined URLs against protected denylist handling, allowing server-side requests to...

CVE-2026-55672

ZITADEL is an open source identity management platform. Prior to 3.4.12 and 4.15.2, ZITADEL's OAuth2 and OIDC CodeExchange, RefreshToken, and device token flows fail to verify that the requesting client matches the client that initiated the authorization flow, allowing intercepted grants or refre...

CVE-2026-56664

ZITADEL is an open source identity management platform. Prior to 3.4.12 and 4.15.2, ZITADEL's external JWT Identity Provider validation in internal/idp/providers/jwt/session.go skips the maximum token age freshness check when an incoming token omits the iat claim, allowing arbitrarily old tokens...

CVE-2026-56668 ZITADEL: Unauthorized Token Privilege Escalation in OAuth2 Token Exchange

ZITADEL is an open source identity management platform. Prior to 4.15.3, ZITADEL's OAuth2 Token Exchange endpoint for urn:ietf:params:oauth:grant-type:token-exchange does not verify that the subject token belongs to the requesting client or that requested scopes remain within the original token's...

CVE-2026-56668

Product/Component : ZITADEL identity management platform (OAuth2 Token Exchange endpoint). Vulnerability : Prior to version 4.15.3, the endpoint for grant-type: token-exchange does not verify that the subject token belongs to the requesting client, nor ensure requested scopes stay within the orig...

CVE-2026-56668 ZITADEL: Unauthorized Token Privilege Escalation in OAuth2 Token Exchange

ZITADEL is an open source identity management platform. Prior to 4.15.3, ZITADEL's OAuth2 Token Exchange endpoint for urn:ietf:params:oauth:grant-type:token-exchange does not verify that the subject token belongs to the requesting client or that requested scopes remain within the original token's...

CVE-2026-56666 ZITADEL: Auto-linking by email: IdP-side email verification is not checked

ZITADEL is an open source identity management platform. Prior to 4.15.3, ZITADEL's external identity provider handler checks that the local user's email is verified but does not verify that the external IdP confirmed ownership of the same email before auto-linking by email, allowing a permissive...